Home / 2,089.40-3,135.31-1,924.16

Finding the Fourth Proportional to 2,089.40, 3,135.31 and 1,924.16

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Solution

The fourth proportional to 2,089.40, 3,135.31 and 1,924.16 is: 2,887.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.40 : 3,135.31 = 1,924.16 : x
  2. Step 2: Convert to fraction form
    2,089.40/3,135.31 = 1,924.16/x
  3. Step 3: Cross multiply
    2,089.40x = 3,135.31 × 1,924.16
  4. Step 4: Simplify right side
    2,089.40x = 6,032,817.60
  5. Step 5: Solve for x
    x = 6,032,817.60/2,089.40
  6. Step 6: Final answer
    x = 2,887.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.